Creating faces on curved topography

Hi there,

I’m trying to create some 3D panels for which the profile of each has been draped onto a mounded terrain.

There’s some cleaning up to do on the drape so please disregard. I’ve already cleaned the first panel. I copied the face and moved to create depth. However the faces are not currently connected. When I try and use the Sandbox tool, it doesn’t go right.

Any ideas how I can create a solid shape without manually connecting all the geometry please?

Many thanks
Ribbon Panels.skp (2.6 MB)

You are working on too small a scale. Try 1000x.

Hi, thanks - I scaled up as you have suggested but the results on using Sandbox are the same.?

A possible solution, but it requires some extensions.

Click in sequence on the scenes tabs of this SU file for a few ideas.

Road on topo.skp (1.1 MB)

Thanks @mihai.s - I have Fredo extensions already so will take a look

Thank you @jean_lemire_1 - very kind of you to go to the trouble of doing this.